Bling Jewelry Simulated Pink Tourmaline CZ Cut Out Bead Charm .925 Sterling Silver Whether you were born in October or just loving the cut out look of this 5mm unthreaded core sterling silver charm, this bead would make the perfect addition to your bead story. 100% safe for sensitive skin. Copper and allergy free. Material: .925 Sterling Silver, Cubic Zirconia Measure: 12 mm L x 8 mm W, 5 mm Bead Core Weight: 1.9 Grams Compatible with Pandora Charms, Biagi, Troll, Chamilia, European Style, Persona, Ohm, Kay&#039;s Charmed Memories and More. Fits both necklace and bracelet 3mm or smaller. The Unthreaded Hole Size is about 4.8mm-5mm.